AR-15 Complete Bolt Carrier Group Black Dawn Nickel Boron Coated Carrier Ion Bond Diamond Coated Bolt

Black Dawn
BDR-BCGNB
BDR-BCGNB
ARR-930
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This drop in AR-15 BCG will increase reliability and ease of cleaning with a nickel boron plated carrier. The Ion Bond PVD coating on the bolt provides superior wear protection with self lubricating properties and incredible hardness.

The Black Dawn bolt carrier group, with its advanced coatings, can significantly increases the life and reliability of your AR-15. Standard lubrication still recommended.